PFGW 1.2.0:
2^188997+56897 is 3-PRP! (118.8817s+0.0001s)
2^63768+20011 is 3-PRP! (12.0682s+0.0032s)
2^62344+54001 is 3-PRP! (11.6483s+0.0013s)

To be completed...